| Edward Turner - 1828 - 516 páginas
...containing a fixed alkali. — When the object is to determine the quantity of fixed alkali, such as potassa or soda, it is necessary to abstain from the employment...to redness in a crucible of platinum, in order to espel the salts of ammonia. The residue is the chloride of potassium or sodium. In this analysis, it... | |
| Edward Turner - 1829 - 508 páginas
...of ammonia is added ; and the insoluble matters, consisting of silica, carbonate of baryta, and'all the constituents of the mineral, excepting the fixed alkali, are collected on a filter. 2 Q 2 The clear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated... | |
| Edward Turner - 1830 - 616 páginas
...taken up in hot water; an excess of ihe carbonate of ammonia is added; and the insoluble matter.", consisting of silica, carbonate of baryta, and all...porcelain capsule, and the dry mass is heated to redness it> a crucible of platinum, in order to expel the salts of ammonia. The residue is the chloiide of... | |
| John Lee Comstock - 1831 - 368 páginas
...a fxed alkali. — When the object is to determine the quantity of a fixed alkali, such as potassa or soda, it is necessary to abstain from the employment...crucible of platinum, in order to expel the salts of amonia. The residue is the chloride of potassium or sodium. In this analysis, it generally happens... | |
| John Lee Comstock - 1831 - 366 páginas
...containing ajixed alkali. — When the object is to determine the quantity of fixed alkali, such as potassa or soda, it is necessary to abstain from the employment...excepting the fixed alkali, are collected on a filter. The dear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated to redness... | |
| Edward Turner - 1832 - 638 páginas
...the solution evaporated to perfect dryness. The soluble parts are taken up in hot water; an excess of carbonate of ammonia is added ; and the insoluble...collected on a filter. The clear solution is evaporated to drynes» in a porcelain capsule, and the dry mass is heated to redness in a crucible of platinum, in... | |
| John Lee Comstock - 1836 - 366 páginas
...dilute muriatic acid, and the so' lution evaporated to perfect dryness. The soluble parts are vaken up in hot water ; an excess of the carbonate of ammonia...excepting the fixed alkali, are collected on a filter. Th« clear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated to... | |
| Edward Turner - 1840 - 696 páginas
...solution evaporated to perfect dryness. The soluble parts are taken up in hot water ; an excess of carbonate of ammonia is added ; and the insoluble...mineral, excepting the fixed alkali, are collected on a 61ter. The clear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated... | |
| John Johnston - 1843 - 586 páginas
...solution evaporated to perfect dryness. The soluble parts are taken up in hot water ; an excess of carbonate of ammonia is added ; and the insoluble...platinum, in order to expel the salts of ammonia. This residue is chloride of potassium or sodium. In this analysis, it generally happens that traces... | |
| John Johnston - 1846 - 496 páginas
...the solution evaporated to perfect dryness. The soluble parts are taken up in hot water; an excess of carbonate of ammonia is added ; and the insoluble...platinum, in order to expel the salts of ammonia. This residue is chloride of potassium or sodium. The analysis is attended with considerable inconvenience... | |
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